Theory:

Whose woods these are I think I know.
His house is in the village though;
He will not see me stopping here
To watch his woods fill up with snow.
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Explanation:
 
The poet is in the forest, but just going through it. He first admires who owns these woods. Also, he tells us that he thinks he does know who owns them. The owner lives in a house in the village. So, the poet won't get into trouble for violating and passing through the woods, because there's no one to catch him while he is travelling through.
 
Meanings of difficult words:
 
Numbers
Word
Meaning
1.
WoodForest.
Reference:
State Council of Educational Research and Training (2018). Term-1 English Standard-9. Stopping by the woods on a snowy evening - Robert Frost (pp. 146-147). Published by the Tamil Nadu Textbook and Educational Services Corporation.